Lake Entiat

{{other uses|Entiat (disambiguation)}}

{{Use mdy dates|date=February 2025}}

{{Infobox body of water

| name = Lake Entiat

| other_name = Rocky Reach Reservoir

| image = Lake_entiat_pano.jpg

| caption =

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| location = Chelan / Douglas counties, Washington

| coords = {{coord|47|31|59|N|120|17|39|W|type:waterbody_region:US-WA|display=inline,title}}

| type = reservoir

| inflow = Columbia River

| outflow = Columbia River

| catchment =

| basin_countries = United States

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| elevation = {{convert|216|m|abbr=on|order=flip}}

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| pushpin_map = Washington#USA

| pushpin_label_position =

| pushpin_map_alt = Location of Lake Entiat in Washington, USA.

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}}

Lake Entiat (also known as Rocky Reach Reservoir) is a reservoir between Chelan County and Douglas County in North Central Washington, USA, that is formed above Rocky Reach Dam (built 1962), a hydroelectric dam on the Columbia River. The reservoir is {{Convert|17|mi|km|0|abbr=on}} north of Wenatchee and stretches upstream to the Wells Dam. Lincoln Rock State Park is on its south shore.{{cite web

|title = Complete information for Lincoln Rock State Park

|url = http://www.parks.wa.gov/parks/?selectedpark=Lincoln%20Rock&subject=all

|publisher = Washington State Parks

|year = 2009

|accessdate = December 10, 2009

|archive-url = https://web.archive.org/web/20091207214722/http://www.parks.wa.gov/parks/?selectedpark=Lincoln%20Rock&subject=all

|archive-date = December 7, 2009

|url-status = dead

}}